** [https://twitter.com/cramforce/status/822254953985019904 Malte Ubl ‏@cramforce]<br> @adactio we’d fallback to that, but people want to override it for some legit and less legit reasons.<br>people sometimes use canonical to point to an entirely different publication that was the original source of the content.<br>and others want to do share tracking with #.1234 style URLs (see e.g. @Medium URLs).

** [https://twitter.com/cramforce/status/822254953985019904 Malte Ubl ‏@cramforce]<br> @adactio we’d fallback to that, but people want to override it for some legit and less legit reasons.<br>people sometimes use canonical to point to an entirely different publication that was the original source of the content.<br>and others want to do share tracking with #.1234 style URLs (see e.g. @Medium URLs).

** [https://twitter.com/rmondello/status/910276001300488192 Ricky Mondello‏ @rmondello] <br>Safari on iOS 11 will share the canonical link for a page, which can improve the experience of sharing a "mobile" website.

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Malte Ubl ‏@cramforce @adactio we’d fallback to that, but people want to override it for some legit and less legit reasons.people sometimes use canonical to point to an entirely different publication that was the original source of the content.and others want to do share tracking with #.1234 style URLs (see e.g. @Medium URLs).